General

  • Target

    file

  • Size

    5.3MB

  • Sample

    221021-ngpkfahfan

  • MD5

    192a51ce49ce579f5816a8a75586e048

  • SHA1

    f6074369b40edd8210a87b27cc0f20644def41e5

  • SHA256

    d3dd1a4eff9a3371d839a9cbdcd040edb03c5ac3140e142e6bf398905a9afad7

  • SHA512

    0f7ac42bd2725c65f9842af46abf1c339a153e0a2f79eb865f70bf9e214844fdaa0966374c04f4133f398272167408001d38dc26f9803ad70ad697d1b585357a

  • SSDEEP

    98304:BN5tzNYV3fp6KqaEtnyPh+ePqMuax7E/hToelmYigzFUcu0rln0aPE0:BZRY1fp6b0Ph+eLpRYhTonYigz2gV/

Malware Config

Extracted

Family

vidar

Version

55

Botnet

1679

C2

http://138.201.90.120:80

Attributes
  • profile_id

    1679

Targets

    • Target

      file

    • Size

      5.3MB

    • MD5

      192a51ce49ce579f5816a8a75586e048

    • SHA1

      f6074369b40edd8210a87b27cc0f20644def41e5

    • SHA256

      d3dd1a4eff9a3371d839a9cbdcd040edb03c5ac3140e142e6bf398905a9afad7

    • SHA512

      0f7ac42bd2725c65f9842af46abf1c339a153e0a2f79eb865f70bf9e214844fdaa0966374c04f4133f398272167408001d38dc26f9803ad70ad697d1b585357a

    • SSDEEP

      98304:BN5tzNYV3fp6KqaEtnyPh+ePqMuax7E/hToelmYigzFUcu0rln0aPE0:BZRY1fp6b0Ph+eLpRYhTonYigz2gV/

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Tasks